Home / 210,233.70-290,363.85-153,127.44

Finding the Fourth Proportional to 210,233.70, 290,363.85 and 153,127.44

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Solution

The fourth proportional to 210,233.70, 290,363.85 and 153,127.44 is: 211,491.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,233.70 : 290,363.85 = 153,127.44 : x
  2. Step 2: Convert to fraction form
    210,233.70/290,363.85 = 153,127.44/x
  3. Step 3: Cross multiply
    210,233.70x = 290,363.85 × 153,127.44
  4. Step 4: Simplify right side
    210,233.70x = 44,462,673,019.04
  5. Step 5: Solve for x
    x = 44,462,673,019.04/210,233.70
  6. Step 6: Final answer
    x = 211,491.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.